UPD75068GBA データシートの表示（PDF） - NEC => Renesas Technology

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UPD75068GBA

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75064, 75066, 75068, 75064(A), 75066(A), 75068(A)

CONTENTS

1. PIN CONFIGURATION (TOP VIEW) ·························································································· 5

2. BLOCK DIAGRAM ························································································································ 7

3. PIN FUNCTIONS ·························································································································· 8

3.1 Port Pins ··············································································································································· 8

3.2 Non-Port Pins ······································································································································· 9

3.3 Pin Input/Output Circuits··················································································································· 10

3.4 Mask Option Selection ························································································································ 12

3.5 Handling Unused Pins ························································································································· 13

4. MEMORY CONFIGURATION ····································································································· 14

5. PERIPHERAL HARDWARE FUNCTIONS ··················································································· 18

5.1 Ports ······················································································································································ 18

5.2 Clock Generator ··································································································································· 19

5.3 Clock Output Circuit ···························································································································· 20

5.4 Basic Interval Timer ····························································································································· 21

5.5 Watch Timer ········································································································································· 22

5.6 Timer/Event Counter ··························································································································· 23

5.7 Serial Interface ····································································································································· 24

5.8 A/D Converter ······································································································································ 25

5.9 Bit Sequential Buffer ··························································································································· 26

6. INTERRUPT FUNCTIONS ··········································································································· 27

7. STANDBY FUNCTION ················································································································ 29

8. RESET OPERATION ···················································································································· 30

9. INSTRUCTION SET ···················································································································· 32

10. ELECTRICAL SPECIFICATIONS ································································································· 40

11. CHARACTERISTIC CURVES (FOR REFERENCE ONLY) ··························································· 54

12. PACKAGE DRAWINGS ··············································································································· 60

13. RECOMMENDED SOLDERING CONDITIONS ··········································································· 62

APPENDIX A. DEVELOPMENT TOOLS ························································································ 64

APPENDIX B. RELATED DOCUMENTS ························································································ 65

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